Describing Distributions Numerically Measures of Variation And Boxplots.
-The five summary statistics can be demonstrated on a box plot. - It shows a clear visual display of...
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![Page 1: -The five summary statistics can be demonstrated on a box plot. - It shows a clear visual display of how the data are spread out. BOXPLOTS.](https://reader035.fdocuments.in/reader035/viewer/2022062805/5697bfee1a28abf838cb942f/html5/thumbnails/1.jpg)
![Page 2: -The five summary statistics can be demonstrated on a box plot. - It shows a clear visual display of how the data are spread out. BOXPLOTS.](https://reader035.fdocuments.in/reader035/viewer/2022062805/5697bfee1a28abf838cb942f/html5/thumbnails/2.jpg)
- The five summary statistics can be demonstrated on a box plot.
- It shows a clear visual display of how the data are spread out.
BOXPLOTS
![Page 3: -The five summary statistics can be demonstrated on a box plot. - It shows a clear visual display of how the data are spread out. BOXPLOTS.](https://reader035.fdocuments.in/reader035/viewer/2022062805/5697bfee1a28abf838cb942f/html5/thumbnails/3.jpg)
![Page 4: -The five summary statistics can be demonstrated on a box plot. - It shows a clear visual display of how the data are spread out. BOXPLOTS.](https://reader035.fdocuments.in/reader035/viewer/2022062805/5697bfee1a28abf838cb942f/html5/thumbnails/4.jpg)
EXAMPLE
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SYMMETRIC DISTRIBUTION
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NEGATIVELY SKEWED
It’s bunched data on the right, whereas the left of the box is spread out and sparse.
![Page 7: -The five summary statistics can be demonstrated on a box plot. - It shows a clear visual display of how the data are spread out. BOXPLOTS.](https://reader035.fdocuments.in/reader035/viewer/2022062805/5697bfee1a28abf838cb942f/html5/thumbnails/7.jpg)
POSITIVELY SKEWED
![Page 8: -The five summary statistics can be demonstrated on a box plot. - It shows a clear visual display of how the data are spread out. BOXPLOTS.](https://reader035.fdocuments.in/reader035/viewer/2022062805/5697bfee1a28abf838cb942f/html5/thumbnails/8.jpg)
TESTING YOUR KNOWLEDGE
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http://content.jacplus.com.au/secure/FileViewer?resourceId=103884&category=Interactivity&pk=c109a6cbb7a51c81
HOW TO DRAW A BOXPLOT
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BOXPLOT ON CAS
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When one observation lies well away from other observations in a set, we call it an outlier. Sometimes an outlier occurs because data have been incorrectly obtained or misread.
OUTLIERS
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TESTING YOUR KNOWLEDGE
![Page 13: -The five summary statistics can be demonstrated on a box plot. - It shows a clear visual display of how the data are spread out. BOXPLOTS.](https://reader035.fdocuments.in/reader035/viewer/2022062805/5697bfee1a28abf838cb942f/html5/thumbnails/13.jpg)
![Page 14: -The five summary statistics can be demonstrated on a box plot. - It shows a clear visual display of how the data are spread out. BOXPLOTS.](https://reader035.fdocuments.in/reader035/viewer/2022062805/5697bfee1a28abf838cb942f/html5/thumbnails/14.jpg)
BOX PLOTS WITH AND WITHOUT OUTLIERS USING
CAS
Let’s give it a go using your CAS
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Exercise 1F-Boxplots Q’s 1-7 pg 30
CLASSWORK./HOMEWORK